#include <iostream>
#include <string>
using namespace std;

int main()
{
	string s1("Hello");
	cout << s1 << " " << s1.length() << endl;
	s1.at(0);
	s1.insert(2, "123");
	s1.c_str();
	string s2(8, 'x');
	cout << s2 << endl;
	string month = "March";
	cout << month << endl;
	string s;
	s = 'n';
	cout << s << endl;
	return 0;
}